EP0647873A3 - Liquid crystal device. - Google Patents
Liquid crystal device. Download PDFInfo
- Publication number
- EP0647873A3 EP0647873A3 EP94115842A EP94115842A EP0647873A3 EP 0647873 A3 EP0647873 A3 EP 0647873A3 EP 94115842 A EP94115842 A EP 94115842A EP 94115842 A EP94115842 A EP 94115842A EP 0647873 A3 EP0647873 A3 EP 0647873A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid crystal
- crystal device
- liquid
- crystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/133753—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers with different alignment orientations or pretilt angles on a same surface, e.g. for grey scale or improved viewing angle
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/137—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/141—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent using ferroelectric liquid crystals
- G02F1/1416—Details of the smectic layer structure, e.g. bookshelf, chevron, C1 and C2
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP253053/93 | 1993-10-08 | ||
JP25305393 | 1993-10-08 | ||
JP89943/94 | 1994-04-27 | ||
JP6089943A JP2952150B2 (en) | 1993-10-08 | 1994-04-27 | Liquid crystal element and manufacturing method thereof |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0647873A2 EP0647873A2 (en) | 1995-04-12 |
EP0647873A3 true EP0647873A3 (en) | 1995-11-02 |
Family
ID=26431328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94115842A Withdrawn EP0647873A3 (en) | 1993-10-08 | 1994-10-07 | Liquid crystal device. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5568295A (en) |
EP (1) | EP0647873A3 (en) |
JP (1) | JP2952150B2 (en) |
KR (1) | KR0159969B1 (en) |
CN (1) | CN1064138C (en) |
AU (1) | AU673459B2 (en) |
CA (1) | CA2133711C (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5726725A (en) * | 1994-03-31 | 1998-03-10 | Canon Kabushiki Kaisha | Liquid crystal device and process for production thereof with polyimide alignment film rubbed and then baked |
US5798056A (en) * | 1995-02-01 | 1998-08-25 | Canon Kabushiki Kaisha | Aligning method of liquid crystal, production process of liquid crystal device, and liquid crystal device |
US6151090A (en) * | 1995-05-31 | 2000-11-21 | Casio Computer Co., Ltd. | LCD using liquid crystal of ferroelectric and/or antiferroelectric phase having pretilt angle of 1 degree or less |
US5932136A (en) * | 1995-10-20 | 1999-08-03 | Canon Kabushiki Kaisha | Liquid crystal device and liquid crystal apparatus |
JP3192593B2 (en) * | 1996-07-22 | 2001-07-30 | キヤノン株式会社 | Liquid crystal element |
US6019789A (en) | 1998-04-01 | 2000-02-01 | Quanam Medical Corporation | Expandable unit cell and intraluminal stent |
US20070002267A1 (en) * | 2005-06-29 | 2007-01-04 | Nano Loa, Inc. | Liquid crystal display device |
US20070003709A1 (en) * | 2005-06-29 | 2007-01-04 | Nano Loa, Inc. | Liquid crystal display device |
US20070279541A1 (en) * | 2005-06-29 | 2007-12-06 | Nano Loa, Inc. | Method of driving liquid crystal display device |
US20070229743A1 (en) * | 2006-04-04 | 2007-10-04 | Chein-Wen Chen | Alignment method |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455528A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Ind Co Ltd | Production of liquid crystal cell |
JPS6455527A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Ind Co Ltd | Production of liquid crystal cell |
EP0444705A2 (en) * | 1990-03-02 | 1991-09-04 | Canon Kabushiki Kaisha | Liquid crystal element and liquid crystal apparatus using the same |
JPH04247429A (en) * | 1991-02-01 | 1992-09-03 | Canon Inc | Ferroelectric liquid crystal element |
EP0550846A1 (en) * | 1991-12-10 | 1993-07-14 | Canon Kabushiki Kaisha | Ferroelectric liquid crystal device and process for production thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4367924A (en) * | 1980-01-08 | 1983-01-11 | Clark Noel A | Chiral smectic C or H liquid crystal electro-optical device |
US4886619A (en) * | 1986-06-30 | 1989-12-12 | Minnesota Mining And Manufacturing Company | Fluorine-containing chiral smectic liquid crystals |
US5172255A (en) * | 1989-10-06 | 1992-12-15 | Nokia Unterhaltungselektronik (Deutschland) Gmbh | Process for increasing pretilt angles in nematic liquid crystal cells |
JPH04195119A (en) * | 1990-11-28 | 1992-07-15 | Fujitsu Ltd | Production of liquid crystal panel |
JP2952122B2 (en) * | 1991-11-22 | 1999-09-20 | キヤノン株式会社 | Liquid crystal element and display device using the same |
CA2121776C (en) * | 1993-04-28 | 1999-05-25 | Yasuto Kodera | Liquid crystal device with a liquid crystal in an optical modulation region having a pretilt angle smaller than the liquid crystal in a peripheral region surrounding the optical modulation region |
-
1994
- 1994-04-27 JP JP6089943A patent/JP2952150B2/en not_active Expired - Fee Related
- 1994-10-05 CA CA002133711A patent/CA2133711C/en not_active Expired - Fee Related
- 1994-10-05 US US08/318,432 patent/US5568295A/en not_active Expired - Fee Related
- 1994-10-07 EP EP94115842A patent/EP0647873A3/en not_active Withdrawn
- 1994-10-07 AU AU74490/94A patent/AU673459B2/en not_active Ceased
- 1994-10-08 KR KR1019940025788A patent/KR0159969B1/en not_active IP Right Cessation
- 1994-10-08 CN CN94112833.4A patent/CN1064138C/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6455528A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Ind Co Ltd | Production of liquid crystal cell |
JPS6455527A (en) * | 1987-08-26 | 1989-03-02 | Matsushita Electric Ind Co Ltd | Production of liquid crystal cell |
EP0444705A2 (en) * | 1990-03-02 | 1991-09-04 | Canon Kabushiki Kaisha | Liquid crystal element and liquid crystal apparatus using the same |
JPH04247429A (en) * | 1991-02-01 | 1992-09-03 | Canon Inc | Ferroelectric liquid crystal element |
EP0550846A1 (en) * | 1991-12-10 | 1993-07-14 | Canon Kabushiki Kaisha | Ferroelectric liquid crystal device and process for production thereof |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 013, no. 261 (P - 885) 16 June 1989 (1989-06-16) * |
PATENT ABSTRACTS OF JAPAN vol. 017, no. 023 (P - 1470) 18 January 1993 (1993-01-18) * |
Also Published As
Publication number | Publication date |
---|---|
CA2133711C (en) | 1999-09-14 |
CN1064138C (en) | 2001-04-04 |
CN1109980A (en) | 1995-10-11 |
JP2952150B2 (en) | 1999-09-20 |
CA2133711A1 (en) | 1995-04-09 |
EP0647873A2 (en) | 1995-04-12 |
AU7449094A (en) | 1995-05-11 |
JPH07152036A (en) | 1995-06-16 |
KR0159969B1 (en) | 1999-01-15 |
AU673459B2 (en) | 1996-11-07 |
US5568295A (en) | 1996-10-22 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 19941007 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20010725 |